Online MCQs Test – Gaseous Exchange – Biology 10th

1. The process of breathing consists of:

2. In the following, the alveoli are infected so they may be filled with fluid or pus.

3. Increase in rate of breathing is due to the following:

4. It is an allergic response to pollens, dust, smoke, fur, feathers and several other substances.

5. Larynx is located on:

6. Each lung is made up of millions of:

7. These are microscopic openings present in the epidermis of leaves.

8. The total surface area of the respiratory surface in human is about.

9. Each bronchus have:

10. Which of the following disorder is associated with inflammation of air passageways?

11. The opening of larynx is known as:

12. The gaseous exchange takes place at the level of alveoli. This gaseous exchange involves:

13. The amount of molecular oxygen present in water is about:

14. Each bronchiole is a very thin tube that opens into:

15. Each stoma is formed by:

16. The amount of molecular oxygen present in the air is about:

17. Lungs can be filled with a maximum amount of:

18. Trachea in the center of the thorax bifurcates into two smaller ducts, called:

19. The internal opening of nasal sacs opens into a long tube called:

20. Respiratory surface possesses the following property: